Description
Rocker arm geometry demands precision, and loose or worn adjusting nuts compromise both valve timing and engine reliability. These polylock nuts eliminate the need for lock washers and constant re-torquing, keeping your valve train stable through the most demanding sessions. Built from chromoly with black oxide finish, they’re engineered to handle high-RPM loads while resisting vibration loosening.
- 7/16-20 thread
- 0.600″ shank diameter
- 1.120″ length
- Chromoly construction
- Black oxide coating
- Polylock design
- Aluminum rocker compatible
- Set of 4
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